Market crashes happen, and they can be scary. But savvy investors have a list of companies they'd love to get on the cheap. In this segment of The Motley Fool's financials-focused show, Where the Money Is, banking analysts Matt Koppenheffer and David Hanson break down the various reasons they would snatch up shares of MasterCard (MA -0.07%), Visa (V 0.33%), Amazon (AMZN -1.64%), and three more.